diff --git a/scratchpad/architecture.md b/scratchpad/architecture.md
index b98f14e537..33d35340f5 100644
--- a/scratchpad/architecture.md
+++ b/scratchpad/architecture.md
@@ -1,6 +1,6 @@
 # Architecture Diagram
 
-> Last updated: 2026-03-20 · Source: [Run §23335768730](https://github.com/github/gh-aw/actions/runs/23335768730)
+> Last updated: 2026-03-21 · Source: [Issue #aw_arch21](https://github.com/github/gh-aw/issues)
 
 ## Overview